package cn.tedu.knows.portal.controller;


import cn.tedu.knows.portal.exception.ServiceException;
import cn.tedu.knows.portal.model.Comment;
import cn.tedu.knows.portal.service.ICommentService;
import cn.tedu.knows.portal.vo.CommentVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.validation.BindingResult;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

/**
 * <p>
 * 前端控制器
 * </p>
 *
 * @author tedu.cn
 * @since 2021-11-26
 */
@RestController
@RequestMapping("/v1/comments")
@Slf4j
public class CommentController {

    @Autowired
    private ICommentService commentService;

    //@PostMapping等价于@PostMapping("")
    @PostMapping
    public Comment postComment(
            @Validated CommentVO commentVO,
            BindingResult result,
            @AuthenticationPrincipal UserDetails user) {
        log.debug("接收到表单信息:{}", commentVO);
        if (result.hasErrors()) {
            String msg = result.getFieldError().getDefaultMessage();
            throw new ServiceException(msg);
        }
        // 调用业务逻辑层方法
        Comment comment = commentService.saveComment(
                commentVO, user.getUsername());
        // 千万别忘了返回新增成功的comment
        return comment;
    }

    //localhost:8080/v1/comments/28/delete
    @GetMapping("/{id}/delete")
    public String removeComment(
            @PathVariable Integer id,
            @AuthenticationPrincipal UserDetails user
    ) {
        boolean isDelete = commentService.removeComment(id, user.getUsername());
        if (isDelete) {
            return "ok";
        } else {
            return "fail";
        }
    }
}
